Home / 1,726.38-2,589.60-572.16

Finding the Fourth Proportional to 1,726.38, 2,589.60 and 572.16

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Solution

The fourth proportional to 1,726.38, 2,589.60 and 572.16 is: 858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.38 : 2,589.60 = 572.16 : x
  2. Step 2: Convert to fraction form
    1,726.38/2,589.60 = 572.16/x
  3. Step 3: Cross multiply
    1,726.38x = 2,589.60 × 572.16
  4. Step 4: Simplify right side
    1,726.38x = 1,481,665.54
  5. Step 5: Solve for x
    x = 1,481,665.54/1,726.38
  6. Step 6: Final answer
    x = 858.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.